Southern Mexico (left and center), Guatemala (below center), El Salvador (bottom, right of center), Honduras (lower right), and Nicaragua (lower right corner) are blanketed with smoke from hundreds of fires (marked with red dots) burning in the region on April 28, 2003. These fires have been burning off and on for two months, periodically sending smoke northward across the Gulf of Mexico toward the southern U.S.
The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at MODIS' maximum spatial resolution of rapidfire.sci.gsfc.nasa.gov/gallery/?2003118-0428/Yucatan.A2003118.1645.250.jpg 250 meters.
Image courtesy Jacques Descloitres, rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team at NASA GSFC